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经营范围
发明名称
Bearing construction
摘要
申请公布号
US1962429(A)
申请公布日期
1934.06.12
申请号
US19310574617
申请日期
1931.11.12
申请人
HARVEY CONOVER
发明人
CONOVER HARVEY
分类号
A63H33/22
主分类号
A63H33/22
代理机构
代理人
主权项
地址
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PREPARING METHOD FOR SOLUBLE POLYANILINE-CO-OANTHRANILIC ACID POLYMER, THE POLYMER THEREFROM AND STEEL OR METAL PRODUCTS PREPARED BY USING IT
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