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发明名称
Drain plug
摘要
申请公布号
US2349425(A)
申请公布日期
1944.05.23
申请号
US19430513315
申请日期
1943.12.07
申请人
WILLIAM T. CURLIE
发明人
HARTLEY CLARENCE E.
分类号
F22B37/22
主分类号
F22B37/22
代理机构
代理人
主权项
地址
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