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发明名称
RESTRICTOR
摘要
申请公布号
US3562782(A)
申请公布日期
1971.02.09
申请号
USD3562782
申请日期
1968.05.08
申请人
ZYCO MFG. INC.
发明人
EDWARD ZYCHAL
分类号
F16L55/027;(IPC1-7):F15D1/00
主分类号
F16L55/027
代理机构
代理人
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地址
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