A-SHAPED SAFETY LADDERAbstract5The invention relates to an A-shaped safety ladder, comprising a front-side...
A display apparatus is provided. The display apparatus includes a circuit coupled to at least one energy...
A wellhead assembly having an inner tubular insertable into an outer tubular. A packoff is provided on...
The present application provides an ultrasonic testing device. The ultrasonic testing device may include...
INCINERATOR WITH A SMOKE TREATING DEVICEAbstract 5 The present invention provides an incinerator, comprising...
A method and system for correcting for temperature variation in ultrasonic testing systems is disclosed...
The utility model discloses a semi-prefabricated structure road, comprising a plurality of prefabricated...
The present invention discloses a semi-prefabricated structure road and a paving method thereof. The ...
A system includes a probe assembly having sensing circuitry configured to sense at least one parameter...
The present invention discloses a sidewalk having a top cover and a semi-prefabricated building method...
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