Resinous condensation products and molding compositions produced therefrom |
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申请号 | US49156143 | 申请日 | 1943-06-19 | 公开(公告)号 | US2401102A | 公开(公告)日 | 1946-05-28 |
申请人 | BRITISH RUBBER PROD RES; | 发明人 | WILLIAM POPHAM FREDERICK JAMES; | ||||
摘要 | |||||||
权利要求 | |||||||
说明书全文 |