Description
Class F28G : CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS
Subclass 3/06: Rotary appliances having articulated tools, e.g. assembled in chain manner
F28G 3/06
Sub-Class
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 0 Total Patent Owners
- 0 TOTAL INVENTORS
Recent Patents
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