<p>A one-way valve of simple construction comprises a body provided with appropriate bores and four legs. A ball is positioned between the legs which are then bent towards each other to retain the ball in the body. <IMAGE></p>
申请公布号
DE69402812(D1)
申请公布日期
1997.05.28
申请号
DE1994602812
申请日期
1994.11.24
申请人
EMHART GLASS MACHINERY INVESTMENTS INC., WILMINGTON, DEL., US
