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经营范围
发明名称
Drain valve mechanism
摘要
申请公布号
US1995174(A)
申请公布日期
1935.03.19
申请号
US19330685928
申请日期
1933.08.19
申请人
CRANE PACKING COMPANY
发明人
GERRARD SIDNEY;PAYNE FRANK E.
分类号
F01M11/04
主分类号
F01M11/04
代理机构
代理人
主权项
地址
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