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发明名称
RISING AND FALLING METHOD FOR STAIR
摘要
申请公布号
JPS58152784(A)
申请公布日期
1983.09.10
申请号
JP19820037001
申请日期
1982.03.09
申请人
ICHIKAWA SEIJI
发明人
ICHIKAWA SEIJI
分类号
E04F11/02;A61H3/00;B66B21/00
主分类号
E04F11/02
代理机构
代理人
主权项
地址
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