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发明名称
Improvements in or relating to a method and a machine for the production, by means of pressure of socket heads for asbestos cement pipes
摘要
申请公布号
GB794205(A)
申请公布日期
1958.04.30
申请号
GB19550013646
申请日期
1955.05.11
申请人
ETERNIT S.P.A.
发明人
分类号
B28B21/74
主分类号
B28B21/74
代理机构
代理人
主权项
地址
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