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发明名称
Draw-off valve
摘要
申请公布号
US2964072(A)
申请公布日期
1960.12.13
申请号
US19560628310
申请日期
1956.12.14
申请人
SERVISOFT OF CALIFORNIA
发明人
MACDONALD MALCOLM E.
分类号
B67C3/30
主分类号
B67C3/30
代理机构
代理人
主权项
地址
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