<p>Tanning is carried out in a plastics container and the skins and the tanning liquid are irradiated with ultrasonic energy. Skins may be treated in a continuous process in different vats containing different tanning liquids.</p>
申请公布号
DE1952340(A1)
申请公布日期
1971.04.29
申请号
DE19691952340
申请日期
1969.10.17
申请人
BAKKER JUN KAREL WILLIAM GERAR;BAKKER WILLIAM JAHN
发明人
GERARDUS BAKKER JUN KAREL WILL;JAHN BAKKER WILLIAM
