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发明名称
VACUUM BREAKER
摘要
申请公布号
CA822458(A)
申请公布日期
1969.09.09
申请号
CAD822458
申请日期
申请人
JOSEPH C. WOODFORD
发明人
JOSEPH C. WOODFORD
分类号
主分类号
代理机构
代理人
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地址
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