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发明名称
Gassieb
摘要
申请公布号
DE926901(C)
申请公布日期
1955.04.25
申请号
DE1942V000951D
申请日期
1942.11.22
申请人
JOH. VAILLANT K. G.
发明人
DOENGES HANS
分类号
F16L55/24
主分类号
F16L55/24
代理机构
代理人
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