CN107264726B
(en)
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A kind of sunk manhole cover
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EP0197755A1
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Unit for mounting hood of watercraft
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DE947859C
(en)
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Hatch cover
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DE652633C
(en)
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Hatch covers, especially for river boats
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EP1155955B1
(en)
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Hatch cover
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CN105905241A
(en)
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Multipurpose manhole cover
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DK112429B
(en)
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Method for manufacturing a hatch cover plank.
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EP0768970B1
(en)
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Ship's hatch cover
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CN105539728B
(en)
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The automatic detachable safety cabin door mechanism of ship
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DE662133C
(en)
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Cover for ship hatches
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DE447512C
(en)
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Hatch lock
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BE680230A
(en)
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BE540657A
(en)
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FR2312405B3
(en)
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DE1053964B
(en)
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Device for lifting and moving parts of a hatch cover on inland vessels
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FR1149634A
(en)
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Device for fitting and removing hatch covers from river boats
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FR600554A
(en)
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Mechanical hermetic closure of ship hatches
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FR561264A
(en)
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Improvements to boat hatch covers
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FR1285312A
(en)
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Improvements in opening closure devices and their applications
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FR691116A
(en)
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Panel more particularly applicable to the closing of loading hatches for barges
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FR37723E
(en)
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Panel more particularly applicable to the closing of loading hatches for barges
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FR2307698B3
(en)
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FR1577342A
(en)
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DE1076520B
(en)
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Hatch cover
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FR1484738A
(en)
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Boat
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