USD359117SExpiredUtility

Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidizied beds

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Assignee: ABB CARBON ABPriority: May 7, 1990Filed: Mar 22, 1993Granted: Jun 6, 1995
Est. expiryMay 7, 2010(expired)· nominal 20-yr term from priority
Inventors:Sven-Olov Ostman
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PatentIndex Score
1
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized beds, as shown and described.

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