| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC., ALLENTOWN, PA., US |
发明人 |
WILHELM, FREDERICK CARL, ZIONSVILLE, PA 18092, US;GAFFNEY, THOMAS RICHARD, ALLENTOWN, PA 18103, US;PARRIS, GENE EVERAD, REVERE, PA 18953, US;AUFDEMBRINK, BRENT ALLEN, JIM THORPE, PA 18229, US |
