According to the invention, welding areas on sheeting (1) for sealing are protected against contamination by covering and protecting strips (2) which are stuck without adhesive to the sheeting (1) for sealing. <IMAGE>
申请公布号
DE3914782(A1)
申请公布日期
1990.11.08
申请号
DE19893914782
申请日期
1989.05.05
申请人
NIEDERBERG-CHEMIE GMBH, 4133 NEUKIRCHEN-VLUYN, DE
发明人
SCHLUETTER, ALOYS, 4152 KEMPEN, DE;MOOREN, HEINER, 4054 NETTETAL, DE
