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发明名称
Appareil enregistreur des formes des parois des souterrains de chemins de fer
摘要
申请公布号
FR680222(A)
申请公布日期
1930.04.26
申请号
FRD680222
申请日期
1929.08.02
申请人
发明人
PICHON EDOUARD-BARTHELEMY-J
分类号
B61K9/02;G01C7/00
主分类号
B61K9/02
代理机构
代理人
主权项
地址
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