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发明名称
Improvements relating to coupling heads for flexible pipe couplings
摘要
申请公布号
GB393699(A)
申请公布日期
1933.06.15
申请号
GB19320004461
申请日期
1932.02.15
申请人
COMPAGNIE DES FREINS WESTINGHOUSE
发明人
分类号
F16L37/113;F16L37/252
主分类号
F16L37/113
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