Pin insertion method to vertical rope, pin insertion device to vertical rope, pin mounting method to support nail, pin mounting device to support nail, processing method in shellfish installation failure, processing device in shellfish installation failure, and separation actuating device
Method and device for removing shellfish fastening implement
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Pull-up washing device
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Surface cleaner for shellfish
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Device for cleaning cultivated or natural product
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Rotating body for fishery and cleaning device equipped with the rotating body
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Scratch off implement for cleaning tool of shell surface-cleaning machine, and cleaning tool of shell surface-cleaning machine using the same
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Method and apparatus for automatically sending scallop to machine for boring hole in scallop, and apparatus for boring hole in scallop equipped with apparatus for automatically sending scallop
