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发明名称
Diaphragm for closet flush valves
摘要
申请公布号
US2270259(A)
申请公布日期
1942.01.20
申请号
US19390309272
申请日期
1939.12.14
申请人
BURKE THOMAS R
发明人
BURKE THOMAS R.
分类号
E03D3/06
主分类号
E03D3/06
代理机构
代理人
主权项
地址
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