Automatic control of pneumatically conveyed cotton or such like from a mixing or operative group to a plurality of hopper feeders or other opening and feeding or combination apparatus
摘要
申请公布号
GB359623(A)
申请公布日期
1931.10.29
申请号
GB19300025216
申请日期
1930.08.23
申请人
PLATT BROTHERS AND COMPANY LIMITED;HENRY WILKINSON
