Improvements in or relating to means for the production of compound sheet materials consisting of layers of paper, cardboard, fabric or the like united by bitumen, varnish, rubber or the like
摘要
申请公布号
GB418722(A)
申请公布日期
1934.10.30
申请号
GB19340006275
申请日期
1934.02.27
申请人
T. ROWBOTHAM AND COMPANY LIMITED;THOMAS ROWBOTHAM;WILLIAM SHAW
