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发明名称
Sinker cap
摘要
申请公布号
US2580971(A)
申请公布日期
1952.01.01
申请号
US19500152413
申请日期
1950.03.28
申请人
HEMPHILL COMPANY
发明人
PIERRE EUGEN ST.
分类号
D04B9/00;D04B15/06;D04B15/32;D04B15/34
主分类号
D04B9/00
代理机构
代理人
主权项
地址
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