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发明名称
Rohrleitung
摘要
申请公布号
DE937321(C)
申请公布日期
1956.01.05
申请号
DE1953J007293
申请日期
1953.05.28
申请人
INTERNATIONAL YTONG-STABALITE COMPANY LTD.
发明人
SEBARDT WILHELM
分类号
F16L9/18
主分类号
F16L9/18
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