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发明名称
Improvements in or relating handrail standards
摘要
申请公布号
GB650253(A)
申请公布日期
1951.02.21
申请号
GB19480030206
申请日期
1948.11.20
申请人
ROBERT WALKER & SON (MANCHESTER) LIMITED;SIDNEY WALKER;DAVID WILLIAM MITCHELL-INWOOD
发明人
分类号
B63B17/04;E04F11/18
主分类号
B63B17/04
代理机构
代理人
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