Inspection and testing indicator

Inversion indicator

Ion concentration testing apparatus

Irreversible humidity indicator cards

Irreversible humidity indicator cards

Label for plants which can be inserted into the soil

Method for detecting and a detector for indicating excessive tem

Method of detecting defective portion of sealing

Microencapsulated cholesteric liquid crystal temperature measuri

Moisture indicator for heat and moisture exchange devices

Moisture indicators for the absorbent capacity of a desiccant

On demand useful life indicator

On-demand useful life indicator and method of making same

Oxygen detector sheet and oxygen detecting agent using the...

Plasma sterilization indicator

Propane tank cover

Residual life indicator

Retractable visual indicator assembly

Signal device

Silver indicator methods and test kit