In conventional cutting devices for bitumen roof shingles, the punching knives arranged on the cutting roller stick and become contaminated very easily due to the punchings which collect during the punching operation. Complicated ejection devices which are actuated via eccentrics are therefore necessary ...
相似单词 bitumenaufschmelzfolie,Bitumenbahn,Bitumenbeton,Bitumendachbahn,Bitumendachpappe,Bitumendachschindel,bitumendämpfung,Bitumenemulsion,bitumenfluß,bitumenfolie, 历史记录 生词本