Author

Ryffel, Henry H.

Catalogue records by Ryffel, Henry H. in the PakCat Union Catalogue.

4 catalogue records

Catalogue records

Design of worm and spiral gears Buckingham, Earle 1960 Machinery's handbook Oberg, Erik 2016 Machinery's handbook Oberg, Erik 1973 Machinery's handbook Oberg, Erik 1959