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发明名称
LADDER.
摘要
申请公布号
NL7700574(A)
申请公布日期
1977.07.29
申请号
NL19770000574
申请日期
1977.01.20
申请人
SOCIETE DES ECHELLES RICHOMME TE NANTES, FRANKRIJK.
发明人
分类号
E06C1/12;E06C7/08;(IPC1-7):E06C1/12
主分类号
E06C1/12
代理机构
代理人
主权项
地址
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