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发明名称
Waste trap
摘要
申请公布号
US1845121(A)
申请公布日期
1932.02.16
申请号
US19310535766
申请日期
1931.05.07
申请人
ROBERT LANDER;CAVEN L. NEWTON
发明人
BOLT ERNEST A.
分类号
E03C1/294
主分类号
E03C1/294
代理机构
代理人
主权项
地址
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