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发明名称
Protecting rubber
摘要
申请公布号
US1973398(A)
申请公布日期
1934.09.11
申请号
US19310534611
申请日期
1931.05.02
申请人
PYROXYLIN PRODUCTS, INC.
发明人
TROLANDER ELMER W.;WILSON WILLIAM COURTNEY
分类号
C08J7/04
主分类号
C08J7/04
代理机构
代理人
主权项
地址
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