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发明名称
MARCHE D'ESCALIER HELICOIDAL
摘要
申请公布号
FR2843145(B1)
申请公布日期
2004.10.22
申请号
FR20020009833
申请日期
2002.08.01
申请人
TOLMEGA
发明人
BERNARDEAU FRANCOIS
分类号
E04F11/032;E04F11/112;E04F11/16;E04F11/17;(IPC1-7):E04F11/17;E04F11/104
主分类号
E04F11/032
代理机构
代理人
主权项
地址
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