日韩桃色精品,AV日韩网,国产女人精品免费网站,射久久久久久久,超碰97在线直播,思思热999re,久久大香蕉在线视频,国产视频九色在线,在线极品国产精品专区

化學(xué)配方數(shù)據(jù)庫
配方 配方類型 配方說明
查看配方METALSPyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660 (U.S.
Patent 2,490,570)
查看配方METALSGermanium Mirror (U.S. Patent 2,941,875)
查看配方METALSAlloy for Ball-Point Pens (German Patent 1,008,006)
查看配方METALSPyrophoric Alloy (Flint for Lighters) Austrian Patent 172,660
查看配方METALSHot-Working of Red Brass (U.S. Patent 2,577,426)
查看配方METALSPen Nib Alloy (U.S. Patent 2,681,276)
查看配方METALSTo Prevent Firestain of Hardened Silver
查看配方METALSDuctile Bismuth Alloy (U.S. Patent 2,610,913)
查看配方METALSMoldable Permanent Magnet (German Patent 1,020,461)
查看配方METALSFor Tinning of Copper Wire (U.S. Patent 2,515,022)
查看配方METALSPrecision Die-Casting Alloy (Japanese Patent 807)
-1954
查看配方METALSDental Amalgam (U.S. Patent 2,698,231)
查看配方METALSDegassing Agent for Aluminum Alloys
查看配方METALSSolder for Sintered Tungsten Carbide or Cast Iron (Japanese Patent
5611) (1954)
查看配方METALSRecovery of Zinc from Dross (U.S. Patent 2,701,194)
查看配方METALSAluminum Solder and Filler
查看配方METALSNoncorrosive Soldering Flux (U.S. Patent 2,674,554)
查看配方METALSImitation Gold Alloy (U.S. Patent 2,935,400)
查看配方METALSFlux-Containing Wire Solder (U.S. Patent 2,713,315)
查看配方METALSAntifriction Zinc Alloy
共有148條記錄,8頁,顯示 81-100  <<上一頁 1  2  3  4  5  6  7  8  下一頁>>
QQ: 2241752642
微信二維碼
電話: 19906633110
昭通市| 沿河| 太和县| 穆棱市| 江安县| 江津市| 五家渠市| 桑植县| 榕江县| 乐东| 定西市| 抚顺市| 中卫市| 加查县| 丰宁| 柳江县| 德钦县| 合山市| 林口县| 连平县| 玉屏| 张家口市| 平顶山市| 房产| 桐梓县| 绥宁县| 赫章县| 巴林右旗| 武夷山市| 新蔡县| 班戈县| 海原县| 泌阳县| 巨鹿县| 阳朔县| 高青县| 福贡县| 兰考县| 枝江市| 房产| 衡东县|