NASA NTRS ยท 19730000416
Container seal for dusty environment
Abstract
Method maintains cleanliness of joint-sealing surfaces under dust-laden conditions. This is accomplished by keeping seal and sealing surface covered with sliding plastic rings, which slide out of the way when a joint is seated.
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Nevin, R. S., Sr.. 1973-12-01. Container seal for dusty environment. https://ntrs.nasa.gov/citations/19730000416
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