With Gas Or Vapor Flow For Contact With Treated Material Patents (Class 34/130)
- With drum or receptacle enclosing housing (Class 34/595)
- Combined washer-dryer (Class 34/596)
- With material conditioner dispenser (Class 34/597)
- And heat retaining material (Class 34/598)
- And material tumbling assisting means (Class 34/599)
- And stationary trays in rotatable drum (Class 34/600)
- And supporting, driving, sealing, or bearing means for drum (Class 34/601)
- Specific drum structure (Class 34/602)
- Specific housing structure (Class 34/603)
- Including gas or vapor circulating means (Class 34/604)
- Heat exchange and/or gas or vapor conducting conduits in drum or receptacle (Class 34/134)