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01-30-2013, 04:47 PM
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Member
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Join Date: Aug 2012
Location: North Dakota
Posts: 10,146
Likes: 14,193
Liked 12,746 Times in 3,482 Posts
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gas seal
Quote:
Originally Posted by cjw3
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Thankyou. Very interesting. I wonder why this technology is no longer used ?? 
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John
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