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经营范围
发明名称
Escalateur hélicoïdal
摘要
申请公布号
FR1119780(A)
申请公布日期
1956.06.25
申请号
FRD1119780
申请日期
1955.01.12
申请人
发明人
HEFTI MARTIN
分类号
B66B21/06
主分类号
B66B21/06
代理机构
代理人
主权项
地址
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