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发明名称
Instrument gradué pour tracés en perspective parallèle
摘要
申请公布号
FR1186549(A)
申请公布日期
1959.08.26
申请号
FRD1186549
申请日期
1957.11.15
申请人
发明人
BOULET RENE-GUY
分类号
B43L13/14
主分类号
B43L13/14
代理机构
代理人
主权项
地址
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