Improved method of securing flat constructional elements together mutually at right-angles, bolts therefor, and box-like structures made according thereto
摘要
申请公布号
GB841284(A)
申请公布日期
1960.07.13
申请号
GB19570004605
申请日期
1957.02.11
申请人
EDWARD BENTON & COMPANY LIMITED;EDWARD ALEXANDER BENTON;STEVEN RICHARD COOTE HALES