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发明名称
摘要
申请公布号
DE1918757(C3)
申请公布日期
1978.04.06
申请号
DE19691918757
申请日期
1969.04.08
申请人
DRESSER INDUSTRIES, INC., DALLAS, TEX. (V.ST.A.)
发明人
COPONY, EDWARD L., SALISBURY, MD. (V.ST.A.)
分类号
B67D7/44;B67D7/48;F16K21/00;(IPC1-7):B67D5/37
主分类号
B67D7/44
代理机构
代理人
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