| 摘要 |
776,750. Screw conveyers. HOLO-FLITE INTERNATIONAL, Inc. April 26, 1954, No. 23176/55. Divided out of 776,749. Drawings to Specification. Class 78 (1). [Also in Group XIII] The subject-matter of this Specification is substantially the same as that described in Specification 776,749, but the claims differ. Specification 737,118 also is referred to. |
