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细节
Chemical balance
the mahogany box opening to reveal a lacquered-brass collapsible balance, comprising stand, spirit level, balance arm, tray supports, tweezers, two glass trays, and metal weights, in a fitted sections and compartments
the mahogany box opening to reveal a lacquered-brass collapsible balance, comprising stand, spirit level, balance arm, tray supports, tweezers, two glass trays, and metal weights, in a fitted sections and compartments