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发明名称
摘要
申请公布号
DE2028712(A1)
申请公布日期
1971.12.16
申请号
DE19702028712
申请日期
1970.06.11
申请人
KESSLER & CO TECH CHEM GMBH
发明人
分类号
F16L37/088;F16L37/14;(IPC1-7):F16L37/12
主分类号
F16L37/088
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