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发明名称
Ladder roof brace
摘要
The invention disclosed herein comprises a ladder roof brace which includes adjustable means of engaging the rungs of a ladder, means of bearing against both sides of a roof over a ridge and means of engaging a gutter.
申请公布号
US4678061(A)
申请公布日期
1987.07.07
申请号
US19860826687
申请日期
1986.02.06
申请人
JORDAN, MARK T.;FERRAGAMO, MARK
发明人
JORDAN, MARK T.;FERRAGAMO, MARK
分类号
E06C1/34;E06C7/42;E06C7/48;(IPC1-7):E06C5/36
主分类号
E06C1/34
代理机构
代理人
主权项
地址
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