Invention Grant
- Patent Title: Method of reducing caking tendency of urea-paraffin wax fertilizer
- Patent Title (中): 减少尿素 - 石蜡化肥结块趋势的方法
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Application No.: US34606764Application Date: 1964-02-20
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Publication No.: US3301656APublication Date: 1967-01-31
- Inventor: CAMPBELL ROBERT H , BELAK STEVEN G
- Applicant: SUN OIL CO
- Assignee: Daewoo Electronics Co Ltd
- Current Assignee: Daewoo Electronics Co Ltd
- Priority: US34606764 1964-02-20; US30806263 1963-09-11; US22708562 1962-09-28; US24427862 1962-12-13
- Main IPC: B01J2/30
- IPC: B01J2/30 ; C05B1/04 ; C05C9/00 ; C05G3/00
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