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发明名称
COVERINGS FOR PIPE BENDS AND PROCESS FOR THE MANUFACTURE THEREOF
摘要
申请公布号
CA871677(A)
申请公布日期
1971.05.25
申请号
CAD871677
申请日期
申请人
KALLE AKTIENGESELLSCHAFT
发明人
FINN GRABAU
分类号
主分类号
代理机构
代理人
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