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经营范围
发明名称
ESCALATOR STEP
摘要
申请公布号
SU1523513(A1)
申请公布日期
1989.11.23
申请号
SU19884400577
申请日期
1988.03.31
申请人
VNI PK I PODEMNO-TRANSPORTNOGO MASHINOSTROENIYA
发明人
VOLDEMAROV OLEG N,SU
分类号
B66B23/12
主分类号
B66B23/12
代理机构
代理人
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