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经营范围
发明名称
Perfectionnements aux machines haveuses et analogues du type à chaînes
摘要
申请公布号
FR1139391(A)
申请公布日期
1957.06.28
申请号
FRD1139391
申请日期
1955.11.10
申请人
MAVOR & COULSON LTD
发明人
JACKSON DAVID;HIRD RAYMOND;MACKAY JOHN ERIC
分类号
E21C31/10
主分类号
E21C31/10
代理机构
代理人
主权项
地址
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