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发明名称
Discharge gate mechanism for concrete transportation conduits
摘要
申请公布号
US2092961(A)
申请公布日期
1937.09.14
申请号
US19360077422
申请日期
1936.05.01
申请人
CHAIN BELT COMPANY
发明人
EICKSTAEDT EDWIN ALVIN CARL
分类号
F04B15/02;F04B53/00
主分类号
F04B15/02
代理机构
代理人
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地址
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