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经营范围
发明名称
Perfectionnements aux organes de commande pneumatique
摘要
申请公布号
FR838628(A)
申请公布日期
1939.03.10
申请号
FRD838628
申请日期
1937.11.18
申请人
发明人
MERCIER PIERRE ERNEST
分类号
B64C25/22
主分类号
B64C25/22
代理机构
代理人
主权项
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