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发明名称
Fluid control
摘要
申请公布号
US2717396(A)
申请公布日期
1955.09.13
申请号
US19530369475
申请日期
1953.07.21
申请人
CHILES JOHN M
发明人
CHILES JOHN M.
分类号
E03D1/30;E03D5/10
主分类号
E03D1/30
代理机构
代理人
主权项
地址
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