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发明名称
Toilet flush valve
摘要
申请公布号
US1889626(A)
申请公布日期
1932.11.29
申请号
US19310534064
申请日期
1931.04.30
申请人
L. L. MCCANDLESS
发明人
BELL WILLIAM E.
分类号
E03D1/34
主分类号
E03D1/34
代理机构
代理人
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地址
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